Home / 217,527.81-300,243.56-148,645.16

Finding the Fourth Proportional to 217,527.81, 300,243.56 and 148,645.16

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Solution

The fourth proportional to 217,527.81, 300,243.56 and 148,645.16 is: 205,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,527.81 : 300,243.56 = 148,645.16 : x
  2. Step 2: Convert to fraction form
    217,527.81/300,243.56 = 148,645.16/x
  3. Step 3: Cross multiply
    217,527.81x = 300,243.56 × 148,645.16
  4. Step 4: Simplify right side
    217,527.81x = 44,629,750,513.95
  5. Step 5: Solve for x
    x = 44,629,750,513.95/217,527.81
  6. Step 6: Final answer
    x = 205,168.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.